X-Git-Url: http://git.nikiroo.be/?p=fanfix.git;a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2FTraceHandler.java;fp=src%2Fbe%2Fnikiroo%2Futils%2FTraceHandler.java;h=5fa08438c3abe2e1a01e916d37f8d83b9c84ae8f;hp=0000000000000000000000000000000000000000;hb=530d4062471346d6ececf76d74a0358c91323998;hpb=2ee6c205bfacff9e9a3103e7738afcd5e3267d3f

diff --git a/src/be/nikiroo/utils/TraceHandler.java b/src/be/nikiroo/utils/TraceHandler.java
new file mode 100644
index 0000000..5fa0843
--- /dev/null
+++ b/src/be/nikiroo/utils/TraceHandler.java
@@ -0,0 +1,88 @@
+package be.nikiroo.utils;
+
+/**
+ * A handler when a trace message is sent or when a recoverable exception was
+ * caught by the program.
+ * 
+ * @author niki
+ */
+public class TraceHandler {
+	private boolean showErrorDetails;
+	private boolean showTraces;
+
+	/**
+	 * Show more details (usually equivalent to the value of DEBUG).
+	 * 
+	 * @return TRUE or FALSE
+	 */
+	public boolean isShowErrorDetails() {
+		return showErrorDetails;
+	}
+
+	/**
+	 * Show more details (usually equivalent to the value of DEBUG).
+	 * 
+	 * @param showErrorDetails
+	 *            TRUE or FALSE
+	 */
+	public void setShowErrorDetails(boolean showErrorDetails) {
+		this.showErrorDetails = showErrorDetails;
+	}
+
+	/**
+	 * Show DEBUG traces.
+	 * 
+	 * @return TRUE or FALSE
+	 */
+	public boolean isShowTraces() {
+		return showTraces;
+	}
+
+	/**
+	 * Show DEBUG traces.
+	 * 
+	 * @param showTraces
+	 *            TRUE or FALSE
+	 */
+	public void setShowTraces(boolean showTraces) {
+		this.showTraces = showTraces;
+	}
+
+	/**
+	 * An exception happened, log it.
+	 * 
+	 * @param e
+	 *            the exception
+	 */
+	public void error(Exception e) {
+		if (isShowErrorDetails()) {
+			e.printStackTrace();
+		} else {
+			error(e.getMessage());
+		}
+	}
+
+	/**
+	 * An error happened, log it.
+	 * 
+	 * @param message
+	 *            the error message
+	 */
+	public void error(String message) {
+		System.err.println(message);
+	}
+
+	/**
+	 * A trace happened, show it.
+	 * <p>
+	 * Will only be effective if {@link TraceHandler#isShowTraces()} is true.
+	 * 
+	 * @param message
+	 *            the trace message
+	 */
+	public void trace(String message) {
+		if (isShowTraces()) {
+			System.out.println(message);
+		}
+	}
+}